#define _CRT_SECURE_NO_WARNINGS 1
#include <iostream>
using namespace std;
//inline int Add(int x, int y)
//{
//	int ret = x + y;
//	return ret;
//}
//int main()
//{
//	int ret = Add(1, 2);
//	cout << ret << endl;
//	return 0;
//}

void Func(int x)
{
	cout << "Func(int x)" << endl;
}

void Func(int* ptr)
{
	cout << "Func(int* ptr)" << endl;
}
int main()
{
	Func(0);
	Func(NULL);
	return 0;
}

//double x = 1.1;
//int y = x;
//#ifndef NULL
//#ifdef __cplusplus
//#define NULL 0
//#else
//#define NULL ((void *)0)
//#endif
//#endif
//1